diff --git a/f_config/config.php b/f_config/config.php
index 9563f586..01365cd0 100644
--- a/f_config/config.php
+++ b/f_config/config.php
@@ -15,35 +15,35 @@ ini_set("session.gc_maxlifetime", '604800');    // seconds
 function getFriendlyErrorType($type)
 {
     switch ($type) {
-        case E_ERROR: // 1 // 
+        case E_ERROR: // 1 //
             return 'E_ERROR';
-        case E_WARNING: // 2 // 
+        case E_WARNING: // 2 //
             return 'E_WARNING';
-        case E_PARSE: // 4 // 
+        case E_PARSE: // 4 //
             return 'E_PARSE';
-        case E_NOTICE: // 8 // 
+        case E_NOTICE: // 8 //
             return 'E_NOTICE';
-        case E_CORE_ERROR: // 16 // 
+        case E_CORE_ERROR: // 16 //
             return 'E_CORE_ERROR';
-        case E_CORE_WARNING: // 32 // 
+        case E_CORE_WARNING: // 32 //
             return 'E_CORE_WARNING';
-        case E_COMPILE_ERROR: // 64 // 
+        case E_COMPILE_ERROR: // 64 //
             return 'E_COMPILE_ERROR';
-        case E_COMPILE_WARNING: // 128 // 
+        case E_COMPILE_WARNING: // 128 //
             return 'E_COMPILE_WARNING';
-        case E_USER_ERROR: // 256 // 
+        case E_USER_ERROR: // 256 //
             return 'E_USER_ERROR';
-        case E_USER_WARNING: // 512 // 
+        case E_USER_WARNING: // 512 //
             return 'E_USER_WARNING';
-        case E_USER_NOTICE: // 1024 // 
+        case E_USER_NOTICE: // 1024 //
             return 'E_USER_NOTICE';
-        case E_STRICT: // 2048 // 
+        case E_STRICT: // 2048 //
             return 'E_STRICT';
-        case E_RECOVERABLE_ERROR: // 4096 // 
+        case E_RECOVERABLE_ERROR: // 4096 //
             return 'E_RECOVERABLE_ERROR';
-        case E_DEPRECATED: // 8192 // 
+        case E_DEPRECATED: // 8192 //
             return 'E_DEPRECATED';
-        case E_USER_DEPRECATED: // 16384 // 
+        case E_USER_DEPRECATED: // 16384 //
             return 'E_USER_DEPRECATED';
     }
     return "{$type}";
@@ -134,7 +134,7 @@ function logErrorByCustomHandler(int $errno, string $errstr, string $errfile, in
         getExceptionTraceAsString($e)
     );
 }
-set_error_handler("\sammo\logErrorByCustomHandler");
+set_error_handler("\\sammo\\logErrorByCustomHandler");
 
 
 function logExceptionByCustomHandler(\Throwable $e)
diff --git a/hwe/func_tournament.php b/hwe/func_tournament.php
index dad46146..be0b5352 100644
--- a/hwe/func_tournament.php
+++ b/hwe/func_tournament.php
@@ -1132,7 +1132,7 @@ function fight($tnmt_type, $tnmt, $phs, $group, $g1, $g2, $type) {
         $gen1resKey = 'd';
         $gen2resKey = 'd';
         break;
-    default: new MustNotBeReachedException();
+    default: throw new MustNotBeReachedException();
     }
 
     $db->update('rank_data', [
diff --git a/hwe/sammo/Command/Nation/che_피장파장.php b/hwe/sammo/Command/Nation/che_피장파장.php
index c9737bc7..9083474d 100644
--- a/hwe/sammo/Command/Nation/che_피장파장.php
+++ b/hwe/sammo/Command/Nation/che_피장파장.php
@@ -33,6 +33,9 @@ class che_피장파장 extends Command\NationCommand{
         if(!key_exists('destNationID', $this->arg)){
             return false;
         }
+        if(!key_exists('commandType', $this->arg)){
+            return false;
+        }
         $destNationID = $this->arg['destNationID'];
         $commandType = $this->arg['commandType'];